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WIP on PostgreSQL doc implementation

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This commit is contained in:
Daniel J. Summers 2023-02-08 20:09:57 -05:00
parent 0fd1760fa4
commit e09638d8fd
14 changed files with 203 additions and 168 deletions
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1
src/MyWebLog.Data/Converters.fs
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@ -165,6 +165,7 @@ module Json =
Converters = ser.Converters,
DefaultValueHandling = ser.DefaultValueHandling,
DateFormatHandling = ser.DateFormatHandling,
DateParseHandling = ser.DateParseHandling,
MetadataPropertyHandling = ser.MetadataPropertyHandling,
MissingMemberHandling = ser.MissingMemberHandling,
NullValueHandling = ser.NullValueHandling,

18
src/MyWebLog.Data/Postgres/PostgresCache.fs
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@ -39,15 +39,17 @@ module private Helpers =
typedParam "expireAt"
open Npgsql
/// A distributed cache implementation in PostgreSQL used to handle sessions for myWebLog
type DistributedCache (connStr : string) =
type DistributedCache (dataSource : NpgsqlDataSource) =
// ~~~ INITIALIZATION ~~~
do
task {
let! exists =
Sql.connect connStr
Sql.fromDataSource dataSource
|> Sql.query $"
SELECT EXISTS
(SELECT 1 FROM pg_tables WHERE schemaname = 'public' AND tablename = 'session')
@ -55,7 +57,7 @@ type DistributedCache (connStr : string) =
|> Sql.executeRowAsync Map.toExists
if not exists then
let! _ =
Sql.connect connStr
Sql.fromDataSource dataSource
|> Sql.query
"CREATE TABLE session (
id TEXT NOT NULL PRIMARY KEY,
@ -74,7 +76,7 @@ type DistributedCache (connStr : string) =
let getEntry key = backgroundTask {
let idParam = "@id", Sql.string key
let! tryEntry =
Sql.connect connStr
Sql.fromDataSource dataSource
|> Sql.query "SELECT * FROM session WHERE id = @id"
|> Sql.parameters [ idParam ]
|> Sql.executeAsync (fun row ->
@ -97,7 +99,7 @@ type DistributedCache (connStr : string) =
else true, { entry with ExpireAt = now.Plus slideExp }
if needsRefresh then
let! _ =
Sql.connect connStr
Sql.fromDataSource dataSource
|> Sql.query "UPDATE session SET expire_at = @expireAt WHERE id = @id"
|> Sql.parameters [ expireParam item.ExpireAt; idParam ]
|> Sql.executeNonQueryAsync
@ -114,7 +116,7 @@ type DistributedCache (connStr : string) =
let now = getNow ()
if lastPurge.Plus (Duration.FromMinutes 30L) < now then
let! _ =
Sql.connect connStr
Sql.fromDataSource dataSource
|> Sql.query "DELETE FROM session WHERE expire_at < @expireAt"
|> Sql.parameters [ expireParam now ]
|> Sql.executeNonQueryAsync
@ -124,7 +126,7 @@ type DistributedCache (connStr : string) =
/// Remove a cache entry
let removeEntry key = backgroundTask {
let! _ =
Sql.connect connStr
Sql.fromDataSource dataSource
|> Sql.query "DELETE FROM session WHERE id = @id"
|> Sql.parameters [ "@id", Sql.string key ]
|> Sql.executeNonQueryAsync
@ -149,7 +151,7 @@ type DistributedCache (connStr : string) =
let slide = Duration.FromHours 1
now.Plus slide, Some slide, None
let! _ =
Sql.connect connStr
Sql.fromDataSource dataSource
|> Sql.query
"INSERT INTO session (
id, payload, expire_at, sliding_expiration, absolute_expiration

33
src/MyWebLog.Data/Postgres/PostgresCategoryData.fs
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@ -1,5 +1,6 @@
namespace MyWebLog.Data.Postgres
open Microsoft.Extensions.Logging
open MyWebLog
open MyWebLog.Data
open Npgsql
@ -7,26 +8,26 @@ open Npgsql.FSharp
open Npgsql.FSharp.Documents
/// PostgreSQL myWebLog category data implementation
type PostgresCategoryData (source : NpgsqlDataSource) =
type PostgresCategoryData (source : NpgsqlDataSource, log : ILogger) =
/// Count all categories for the given web log
let countAll webLogId =
log.LogTrace "Category.countAll"
Sql.fromDataSource source
|> Query.countByContains Table.Category (webLogDoc webLogId)
/// Count all top-level categories for the given web log
let countTopLevel webLogId =
log.LogTrace "Category.countTopLevel"
Sql.fromDataSource source
|> Query.countByContains Table.Category {| webLogDoc webLogId with ParentId = None |}
/// Retrieve all categories for the given web log in a DotLiquid-friendly format
let findAllForView webLogId = backgroundTask {
log.LogTrace "Category.findAllForView"
let! cats =
Sql.fromDataSource source
|> Sql.query $"""
{Query.selectFromTable Table.Category}
WHERE {Query.whereDataContains "@criteria"}
ORDER BY LOWER(data->>'{nameof Category.empty.Name}')"""
|> Sql.query $"{selectWithCriteria Table.Category} ORDER BY LOWER(data ->> '{nameof Category.empty.Name}')"
|> Sql.parameters [ webLogContains webLogId ]
|> Sql.executeAsync fromData<Category>
let ordered = Utils.orderByHierarchy cats None None []
@ -40,18 +41,19 @@ type PostgresCategoryData (source : NpgsqlDataSource) =
|> Seq.map (fun cat -> cat.Id)
|> Seq.append (Seq.singleton it.Id)
|> List.ofSeq
|> jsonArrayInClause (nameof Post.empty.CategoryIds) id
|> arrayContains (nameof Post.empty.CategoryIds) id
let postCount =
Sql.fromDataSource source
|> Sql.query $"""
SELECT COUNT(DISTINCT id) AS {countName}
FROM {Table.Post}
WHERE {Query.whereDataContains "@criteria"}
AND ({catIdSql})"""
|> Sql.parameters (
("@criteria",
Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |})
:: catIdParams)
AND {catIdSql}"""
|> Sql.parameters
[ "@criteria",
Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |}
catIdParams
]
|> Sql.executeRowAsync Map.toCount
|> Async.AwaitTask
|> Async.RunSynchronously
@ -70,10 +72,12 @@ type PostgresCategoryData (source : NpgsqlDataSource) =
}
/// Find a category by its ID for the given web log
let findById catId webLogId =
log.LogTrace "Category.findById"
Document.findByIdAndWebLog<CategoryId, Category> source Table.Category catId CategoryId.toString webLogId
/// Find all categories for the given web log
let findByWebLog webLogId =
log.LogTrace "Category.findByWebLog"
Document.findByWebLog<Category> source Table.Category webLogId
/// Create parameters for a category insert / update
@ -82,6 +86,7 @@ type PostgresCategoryData (source : NpgsqlDataSource) =
/// Delete a category
let delete catId webLogId = backgroundTask {
log.LogTrace "Category.delete"
match! findById catId webLogId with
| Some cat ->
// Reassign any children to the category's parent category
@ -100,8 +105,8 @@ type PostgresCategoryData (source : NpgsqlDataSource) =
// Delete the category off all posts where it is assigned
let! posts =
Sql.fromDataSource source
|> Sql.query $"SELECT data FROM {Table.Post} WHERE data->'{nameof Post.empty.CategoryIds}' ? @id"
|> Sql.parameters [ "@id", Sql.jsonb (CategoryId.toString catId) ]
|> Sql.query $"SELECT data FROM {Table.Post} WHERE data -> '{nameof Post.empty.CategoryIds}' @> @id"
|> Sql.parameters [ "@id", Query.jsonbDocParam [| CategoryId.toString catId |] ]
|> Sql.executeAsync fromData<Post>
if not (List.isEmpty posts) then
let! _ =
@ -125,11 +130,13 @@ type PostgresCategoryData (source : NpgsqlDataSource) =
/// Save a category
let save (cat : Category) = backgroundTask {
log.LogTrace "Category.save"
do! Sql.fromDataSource source |> Query.save Table.Category (CategoryId.toString cat.Id) cat
}
/// Restore categories from a backup
let restore cats = backgroundTask {
log.LogTrace "Category.restore"
let! _ =
Sql.fromDataSource source
|> Sql.executeTransactionAsync [

25
src/MyWebLog.Data/Postgres/PostgresHelpers.fs
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@ -86,6 +86,10 @@ let countName = "the_count"
/// The name of the field to select to be able to use Map.toExists
let existsName = "does_exist"
/// A SQL string to select data from a table with the given JSON document contains criteria
let selectWithCriteria tableName =
$"""{Query.selectFromTable tableName} WHERE {Query.whereDataContains "@criteria"}"""
/// Create the SQL and parameters for an IN clause
let inClause<'T> colNameAndPrefix paramName (valueFunc: 'T -> string) (items : 'T list) =
if List.isEmpty items then "", []
@ -102,22 +106,11 @@ let inClause<'T> colNameAndPrefix paramName (valueFunc: 'T -> string) (items : '
|> Seq.head)
|> function sql, ps -> $"{sql})", ps
/// Create the SQL and parameters for the array-in-JSON equivalent of an IN clause
let jsonArrayInClause<'T> name (valueFunc : 'T -> string) (items : 'T list) =
if List.isEmpty items then "TRUE = FALSE", []
else
let mutable idx = 0
items
|> List.skip 1
|> List.fold (fun (itemS, itemP) it ->
idx <- idx + 1
$"{itemS} OR data->'%s{name}' ? @{name}{idx}",
($"@{name}{idx}", Sql.jsonb (valueFunc it)) :: itemP)
(Seq.ofList items
|> Seq.map (fun it ->
$"data->'{name}' ? @{name}0", [ $"@{name}0", Sql.string (valueFunc it) ])
|> Seq.head)
/// Create the SQL and parameters for match-any array query
let arrayContains<'T> name (valueFunc : 'T -> string) (items : 'T list) =
$"data['{name}'] ?| @{name}Values",
($"@{name}Values", Sql.stringArray (items |> List.map valueFunc |> Array.ofList))
/// Get the first result of the given query
let tryHead<'T> (query : Task<'T list>) = backgroundTask {
let! results = query

61
src/MyWebLog.Data/Postgres/PostgresPageData.fs
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@ -14,59 +14,55 @@ type PostgresPageData (source : NpgsqlDataSource, log : ILogger) =
/// Append revisions to a page
let appendPageRevisions (page : Page) = backgroundTask {
log.LogTrace "PostgresPageData.appendPageRevisions"
log.LogTrace "Page.appendPageRevisions"
let! revisions = Revisions.findByEntityId source Table.PageRevision Table.Page page.Id PageId.toString
return { page with Revisions = revisions }
}
/// Return a page with no text or revisions
let pageWithoutText (row : RowReader) =
log.LogDebug ("data: {0}", row.string "data")
{ fromData<Page> row with Text = "" }
/// Update a page's revisions
let updatePageRevisions pageId oldRevs newRevs =
log.LogTrace "PostgresPageData.updatePageRevisions"
log.LogTrace "Page.updatePageRevisions"
Revisions.update source Table.PageRevision Table.Page pageId PageId.toString oldRevs newRevs
/// Does the given page exist?
let pageExists pageId webLogId =
log.LogTrace "Page.pageExists"
Document.existsByWebLog source Table.Page pageId PageId.toString webLogId
/// Select pages via a JSON document containment query
let pageByCriteria =
$"""{Query.selectFromTable Table.Page} WHERE {Query.whereDataContains "@criteria"}"""
// IMPLEMENTATION FUNCTIONS
/// Get all pages for a web log (without text or revisions)
let all webLogId =
log.LogTrace "PostgresPageData.all"
log.LogTrace "Page.all"
Sql.fromDataSource source
|> Sql.query $"{pageByCriteria} ORDER BY LOWER(data->>'{nameof Page.empty.Title}')"
|> Sql.query $"{selectWithCriteria Table.Page} ORDER BY LOWER(data ->> '{nameof Page.empty.Title}')"
|> Sql.parameters [ webLogContains webLogId ]
|> Sql.executeAsync fromData<Page>
/// Count all pages for the given web log
let countAll webLogId =
log.LogTrace "PostgresPageData.countAll"
log.LogTrace "Page.countAll"
Sql.fromDataSource source
|> Query.countByContains Table.Page (webLogDoc webLogId)
/// Count all pages shown in the page list for the given web log
let countListed webLogId =
log.LogTrace "PostgresPageData.countListed"
log.LogTrace "Page.countListed"
Sql.fromDataSource source
|> Query.countByContains Table.Page {| webLogDoc webLogId with IsInPageList = true |}
/// Find a page by its ID (without revisions)
let findById pageId webLogId =
log.LogTrace "PostgresPageData.findById"
log.LogTrace "Page.findById"
Document.findByIdAndWebLog<PageId, Page> source Table.Page pageId PageId.toString webLogId
/// Find a complete page by its ID
let findFullById pageId webLogId = backgroundTask {
log.LogTrace "PostgresPageData.findFullById"
log.LogTrace "Page.findFullById"
match! findById pageId webLogId with
| Some page ->
let! withMore = appendPageRevisions page
@ -76,7 +72,7 @@ type PostgresPageData (source : NpgsqlDataSource, log : ILogger) =
/// Delete a page by its ID
let delete pageId webLogId = backgroundTask {
log.LogTrace "PostgresPageData.delete"
log.LogTrace "Page.delete"
match! pageExists pageId webLogId with
| true ->
do! Sql.fromDataSource source |> Query.deleteById Table.Page (PageId.toString pageId)
@ -86,34 +82,33 @@ type PostgresPageData (source : NpgsqlDataSource, log : ILogger) =
/// Find a page by its permalink for the given web log
let findByPermalink permalink webLogId =
log.LogTrace "PostgresPageData.findByPermalink"
log.LogTrace "Page.findByPermalink"
Sql.fromDataSource source
|> Query.findByContains<Page> Table.Page {| webLogDoc webLogId with Permalink = Permalink.toString permalink |}
|> tryHead
/// Find the current permalink within a set of potential prior permalinks for the given web log
let findCurrentPermalink permalinks webLogId = backgroundTask {
log.LogTrace "PostgresPageData.findCurrentPermalink"
log.LogTrace "Page.findCurrentPermalink"
if List.isEmpty permalinks then return None
else
let linkSql, linkParams =
jsonArrayInClause (nameof Page.empty.PriorPermalinks) Permalink.toString permalinks
let linkSql, linkParam =
arrayContains (nameof Page.empty.PriorPermalinks) Permalink.toString permalinks
return!
// TODO: stopped here
Sql.fromDataSource source
|> Sql.query $"""
SELECT data->>'{nameof Page.empty.Permalink}' AS permalink
SELECT data ->> '{nameof Page.empty.Permalink}' AS permalink
FROM page
WHERE {Query.whereDataContains "@criteria"}
AND ({linkSql})"""
|> Sql.parameters (webLogContains webLogId :: linkParams)
AND {linkSql}"""
|> Sql.parameters [ webLogContains webLogId; linkParam ]
|> Sql.executeAsync Map.toPermalink
|> tryHead
}
/// Get all complete pages for the given web log
let findFullByWebLog webLogId = backgroundTask {
log.LogTrace "PostgresPageData.findFullByWebLog"
log.LogTrace "Page.findFullByWebLog"
let! pages = Document.findByWebLog<Page> source Table.Page webLogId
let! revisions = Revisions.findByWebLog source Table.PageRevision Table.Page PageId webLogId
return
@ -124,30 +119,26 @@ type PostgresPageData (source : NpgsqlDataSource, log : ILogger) =
/// Get all listed pages for the given web log (without revisions or text)
let findListed webLogId =
log.LogTrace "PostgresPageData.findListed"
log.LogTrace "Page.findListed"
Sql.fromDataSource source
|> Sql.query $"{pageByCriteria} ORDER BY LOWER(data->>'{nameof Page.empty.Title}')"
|> Sql.query $"{selectWithCriteria Table.Page} ORDER BY LOWER(data ->> '{nameof Page.empty.Title}')"
|> Sql.parameters [ "@criteria", Query.jsonbDocParam {| webLogDoc webLogId with IsInPageList = true |} ]
|> Sql.executeAsync pageWithoutText
/// Get a page of pages for the given web log (without revisions)
let findPageOfPages webLogId pageNbr =
log.LogTrace "PostgresPageData.findPageOfPages"
log.LogTrace "Page.findPageOfPages"
Sql.fromDataSource source
|> Sql.query $"
{pageByCriteria}
{selectWithCriteria Table.Page}
ORDER BY LOWER(data->>'{nameof Page.empty.Title}')
LIMIT @pageSize OFFSET @toSkip"
|> Sql.parameters [ webLogContains webLogId; "@pageSize", Sql.int 26; "@toSkip", Sql.int ((pageNbr - 1) * 25) ]
|> Sql.executeAsync fromData<Page>
/// The parameters for saving a page
let pageParams (page : Page) =
Query.docParameters (PageId.toString page.Id) page
/// Restore pages from a backup
let restore (pages : Page list) = backgroundTask {
log.LogTrace "PostgresPageData.restore"
log.LogTrace "Page.restore"
let revisions = pages |> List.collect (fun p -> p.Revisions |> List.map (fun r -> p.Id, r))
let! _ =
Sql.fromDataSource source
@ -163,16 +154,16 @@ type PostgresPageData (source : NpgsqlDataSource, log : ILogger) =
/// Save a page
let save (page : Page) = backgroundTask {
log.LogTrace "PostgresPageData.save"
log.LogTrace "Page.save"
let! oldPage = findFullById page.Id page.WebLogId
do! Sql.fromDataSource source |> Query.save Table.Page (PageId.toString page.Id) page
do! Sql.fromDataSource source |> Query.save Table.Page (PageId.toString page.Id) { page with Revisions = [] }
do! updatePageRevisions page.Id (match oldPage with Some p -> p.Revisions | None -> []) page.Revisions
()
}
/// Update a page's prior permalinks
let updatePriorPermalinks pageId webLogId permalinks = backgroundTask {
log.LogTrace "PostgresPageData.updatePriorPermalinks"
log.LogTrace "Page.updatePriorPermalinks"
match! findById pageId webLogId with
| Some page ->
do! Sql.fromDataSource source

100
src/MyWebLog.Data/Postgres/PostgresPostData.fs
View File

@ -1,19 +1,22 @@
namespace MyWebLog.Data.Postgres
open Microsoft.Extensions.Logging
open MyWebLog
open MyWebLog.Data
open NodaTime
open NodaTime.Text
open Npgsql
open Npgsql.FSharp
open Npgsql.FSharp.Documents
/// PostgreSQL myWebLog post data implementation
type PostgresPostData (source : NpgsqlDataSource) =
type PostgresPostData (source : NpgsqlDataSource, log : ILogger) =
// SUPPORT FUNCTIONS
/// Append revisions to a post
let appendPostRevisions (post : Post) = backgroundTask {
log.LogTrace "Post.appendPostRevisions"
let! revisions = Revisions.findByEntityId source Table.PostRevision Table.Post post.Id PostId.toString
return { post with Revisions = revisions }
}
@ -24,20 +27,19 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Update a post's revisions
let updatePostRevisions postId oldRevs newRevs =
log.LogTrace "Post.updatePostRevisions"
Revisions.update source Table.PostRevision Table.Post postId PostId.toString oldRevs newRevs
/// Does the given post exist?
let postExists postId webLogId =
log.LogTrace "Post.postExists"
Document.existsByWebLog source Table.Post postId PostId.toString webLogId
/// Query to select posts by JSON document containment criteria
let postsByCriteria =
$"""{Query.selectFromTable Table.Post} WHERE {Query.whereDataContains "@criteria"}"""
// IMPLEMENTATION FUNCTIONS
/// Count posts in a status for the given web log
let countByStatus status webLogId =
log.LogTrace "Post.countByStatus"
Sql.fromDataSource source
|> Sql.query
$"""SELECT COUNT(id) AS {countName} FROM {Table.Post} WHERE {Query.whereDataContains "@criteria"}"""
@ -47,12 +49,14 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Find a post by its ID for the given web log (excluding revisions)
let findById postId webLogId =
log.LogTrace "Post.findById"
Document.findByIdAndWebLog<PostId, Post> source Table.Post postId PostId.toString webLogId
/// Find a post by its permalink for the given web log (excluding revisions and prior permalinks)
let findByPermalink permalink webLogId =
log.LogTrace "Post.findByPermalink"
Sql.fromDataSource source
|> Sql.query postsByCriteria
|> Sql.query (selectWithCriteria Table.Post)
|> Sql.parameters
[ "@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Permalink = Permalink.toString permalink |} ]
|> Sql.executeAsync fromData<Post>
@ -60,6 +64,7 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Find a complete post by its ID for the given web log
let findFullById postId webLogId = backgroundTask {
log.LogTrace "Post.findFullById"
match! findById postId webLogId with
| Some post ->
let! withRevisions = appendPostRevisions post
@ -69,6 +74,7 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Delete a post by its ID for the given web log
let delete postId webLogId = backgroundTask {
log.LogTrace "Post.delete"
match! postExists postId webLogId with
| true ->
let theId = PostId.toString postId
@ -85,24 +91,26 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Find the current permalink from a list of potential prior permalinks for the given web log
let findCurrentPermalink permalinks webLogId = backgroundTask {
log.LogTrace "Post.findCurrentPermalink"
if List.isEmpty permalinks then return None
else
let linkSql, linkParams =
jsonArrayInClause (nameof Post.empty.PriorPermalinks) Permalink.toString permalinks
let linkSql, linkParam =
arrayContains (nameof Post.empty.PriorPermalinks) Permalink.toString permalinks
return!
Sql.fromDataSource source
|> Sql.query $"""
SELECT data->>'{nameof Post.empty.Permalink}' AS permalink
SELECT data ->> '{nameof Post.empty.Permalink}' AS permalink
FROM {Table.Post}
WHERE {Query.whereDataContains "@criteria"}
AND ({linkSql})"""
|> Sql.parameters (webLogContains webLogId :: linkParams)
AND {linkSql}"""
|> Sql.parameters [ webLogContains webLogId; linkParam ]
|> Sql.executeAsync Map.toPermalink
|> tryHead
}
/// Get all complete posts for the given web log
let findFullByWebLog webLogId = backgroundTask {
log.LogTrace "Post.findFullByWebLog"
let! posts = Document.findByWebLog<Post> source Table.Post webLogId
let! revisions = Revisions.findByWebLog source Table.PostRevision Table.Post PostId webLogId
return
@ -113,35 +121,39 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Get a page of categorized posts for the given web log (excludes revisions)
let findPageOfCategorizedPosts webLogId categoryIds pageNbr postsPerPage =
let catSql, catParams = jsonArrayInClause (nameof Post.empty.CategoryIds) CategoryId.toString categoryIds
log.LogTrace "Post.findPageOfCategorizedPosts"
let catSql, catParam = arrayContains (nameof Post.empty.CategoryIds) CategoryId.toString categoryIds
Sql.fromDataSource source
|> Sql.query $"
{postsByCriteria}
AND ({catSql})
ORDER BY published_on DESC
{selectWithCriteria Table.Post}
AND {catSql}
ORDER BY data ->> '{nameof Post.empty.PublishedOn}' DESC
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters (
("@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |})
:: catParams)
|> Sql.parameters
[ "@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |}
catParam
]
|> Sql.executeAsync fromData<Post>
/// Get a page of posts for the given web log (excludes text and revisions)
let findPageOfPosts webLogId pageNbr postsPerPage =
log.LogTrace "Post.findPageOfPosts"
Sql.fromDataSource source
|> Sql.query $"
{postsByCriteria}
ORDER BY data->>'{nameof Post.empty.PublishedOn}' DESC NULLS FIRST,
data->>'{nameof Post.empty.UpdatedOn}'
{selectWithCriteria Table.Post}
ORDER BY data ->> '{nameof Post.empty.PublishedOn}' DESC NULLS FIRST,
data ->> '{nameof Post.empty.UpdatedOn}'
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters [ webLogContains webLogId ]
|> Sql.executeAsync postWithoutText
/// Get a page of published posts for the given web log (excludes revisions)
let findPageOfPublishedPosts webLogId pageNbr postsPerPage =
log.LogTrace "Post.findPageOfPublishedPosts"
Sql.fromDataSource source
|> Sql.query $"
{postsByCriteria}
ORDER BY data->>'{nameof Post.empty.PublishedOn}' DESC
{selectWithCriteria Table.Post}
ORDER BY data ->> '{nameof Post.empty.PublishedOn}' DESC
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters
[ "@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |} ]
@ -149,63 +161,66 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Get a page of tagged posts for the given web log (excludes revisions and prior permalinks)
let findPageOfTaggedPosts webLogId (tag : string) pageNbr postsPerPage =
log.LogTrace "Post.findPageOfTaggedPosts"
Sql.fromDataSource source
|> Sql.query $"
{postsByCriteria}
AND data->'{nameof Post.empty.Tags}' ? @tag
ORDER BY data->>'{nameof Post.empty.PublishedOn}' DESC
{selectWithCriteria Table.Post}
AND data['{nameof Post.empty.Tags}'] @> @tag
ORDER BY data ->> '{nameof Post.empty.PublishedOn}' DESC
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters
[ "@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |}
"@tag", Sql.jsonb tag
"@tag", Query.jsonbDocParam [| tag |]
]
|> Sql.executeAsync fromData<Post>
/// Find the next newest and oldest post from a publish date for the given web log
let findSurroundingPosts webLogId (publishedOn : Instant) = backgroundTask {
let findSurroundingPosts webLogId publishedOn = backgroundTask {
log.LogTrace "Post.findSurroundingPosts"
let queryParams () = Sql.parameters [
"@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |}
typedParam "publishedOn" publishedOn
"@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Status = PostStatus.toString Published |}
"@publishedOn", Sql.string ((InstantPattern.General.Format publishedOn).Substring (0, 19))
]
let pubField = nameof Post.empty.PublishedOn
let! older =
Sql.fromDataSource source
|> Sql.query $"
{postsByCriteria}
AND data->>'{nameof Post.empty.PublishedOn}' < @publishedOn
ORDER BY data->>'{nameof Post.empty.PublishedOn}' DESC
{selectWithCriteria Table.Post}
AND SUBSTR(data ->> '{pubField}', 1, 19) < @publishedOn
ORDER BY data ->> '{pubField}' DESC
LIMIT 1"
|> queryParams ()
|> Sql.executeAsync fromData<Post>
let! newer =
Sql.fromDataSource source
|> Sql.query $"
{postsByCriteria}
AND data->>'{nameof Post.empty.PublishedOn}' > @publishedOn
ORDER BY data->>'{nameof Post.empty.PublishedOn}'
{selectWithCriteria Table.Post}
AND SUBSTR(data ->> '{pubField}', 1, 19) > @publishedOn
ORDER BY data ->> '{pubField}'
LIMIT 1"
|> queryParams ()
|> Sql.executeAsync fromData<Post>
return List.tryHead older, List.tryHead newer
}
/// The parameters for saving a post
let postParams (post : Post) =
Query.docParameters (PostId.toString post.Id) post
/// Save a post
let save (post : Post) = backgroundTask {
log.LogTrace "Post.save"
let! oldPost = findFullById post.Id post.WebLogId
do! Sql.fromDataSource source |> Query.save Table.Post (PostId.toString post.Id) post
do! Sql.fromDataSource source |> Query.save Table.Post (PostId.toString post.Id) { post with Revisions = [] }
do! updatePostRevisions post.Id (match oldPost with Some p -> p.Revisions | None -> []) post.Revisions
}
/// Restore posts from a backup
let restore posts = backgroundTask {
log.LogTrace "Post.restore"
let revisions = posts |> List.collect (fun p -> p.Revisions |> List.map (fun r -> p.Id, r))
let! _ =
Sql.fromDataSource source
|> Sql.executeTransactionAsync [
Query.insertQuery Table.Post, posts |> List.map postParams
Query.insertQuery Table.Post,
posts
|> List.map (fun post -> Query.docParameters (PostId.toString post.Id) { post with Revisions = [] })
Revisions.insertSql Table.PostRevision,
revisions |> List.map (fun (postId, rev) -> Revisions.revParams postId PostId.toString rev)
]
@ -214,6 +229,7 @@ type PostgresPostData (source : NpgsqlDataSource) =
/// Update prior permalinks for a post
let updatePriorPermalinks postId webLogId permalinks = backgroundTask {
log.LogTrace "Post.updatePriorPermalinks"
match! findById postId webLogId with
| Some post ->
do! Sql.fromDataSource source

31
src/MyWebLog.Data/Postgres/PostgresTagMapData.fs
View File

@ -1,5 +1,6 @@
namespace MyWebLog.Data.Postgres
open Microsoft.Extensions.Logging
open MyWebLog
open MyWebLog.Data
open Npgsql
@ -7,18 +8,16 @@ open Npgsql.FSharp
open Npgsql.FSharp.Documents
/// PostgreSQL myWebLog tag mapping data implementation
type PostgresTagMapData (source : NpgsqlDataSource) =
/// A query to select tag map(s) by JSON document containment criteria
let tagMapByCriteria =
$"""{Query.selectFromTable Table.TagMap} WHERE {Query.whereDataContains "@criteria"}"""
type PostgresTagMapData (source : NpgsqlDataSource, log : ILogger) =
/// Find a tag mapping by its ID for the given web log
let findById tagMapId webLogId =
log.LogTrace "TagMap.findById"
Document.findByIdAndWebLog<TagMapId, TagMap> source Table.TagMap tagMapId TagMapId.toString webLogId
/// Delete a tag mapping for the given web log
let delete tagMapId webLogId = backgroundTask {
log.LogTrace "TagMap.delete"
let! exists = Document.existsByWebLog source Table.TagMap tagMapId TagMapId.toString webLogId
if exists then
do! Sql.fromDataSource source |> Query.deleteById Table.TagMap (TagMapId.toString tagMapId)
@ -28,42 +27,42 @@ type PostgresTagMapData (source : NpgsqlDataSource) =
/// Find a tag mapping by its URL value for the given web log
let findByUrlValue (urlValue : string) webLogId =
log.LogTrace "TagMap.findByUrlValue"
Sql.fromDataSource source
|> Sql.query tagMapByCriteria
|> Sql.query (selectWithCriteria Table.TagMap)
|> Sql.parameters [ "@criteria", Query.jsonbDocParam {| webLogDoc webLogId with UrlValue = urlValue |} ]
|> Sql.executeAsync fromData<TagMap>
|> tryHead
/// Get all tag mappings for the given web log
let findByWebLog webLogId =
log.LogTrace "TagMap.findByWebLog"
Sql.fromDataSource source
|> Sql.query $"{tagMapByCriteria} ORDER BY data->>'tag'"
|> Sql.query $"{selectWithCriteria Table.TagMap} ORDER BY data ->> 'tag'"
|> Sql.parameters [ webLogContains webLogId ]
|> Sql.executeAsync fromData<TagMap>
/// Find any tag mappings in a list of tags for the given web log
let findMappingForTags tags webLogId =
let tagSql, tagParams = jsonArrayInClause (nameof TagMap.empty.Tag) id tags
log.LogTrace "TagMap.findMappingForTags"
let tagSql, tagParam = arrayContains (nameof TagMap.empty.Tag) id tags
Sql.fromDataSource source
|> Sql.query $"{tagMapByCriteria} AND ({tagSql})"
|> Sql.parameters (webLogContains webLogId :: tagParams)
|> Sql.query $"{selectWithCriteria Table.TagMap} AND {tagSql}"
|> Sql.parameters [ webLogContains webLogId; tagParam ]
|> Sql.executeAsync fromData<TagMap>
/// The parameters for saving a tag mapping
let tagMapParams (tagMap : TagMap) =
Query.docParameters (TagMapId.toString tagMap.Id) tagMap
/// Save a tag mapping
let save (tagMap : TagMap) = backgroundTask {
do! Sql.fromDataSource source |> Query.save Table.TagMap (TagMapId.toString tagMap.Id) tagMap
}
/// Restore tag mappings from a backup
let restore tagMaps = backgroundTask {
let restore (tagMaps : TagMap list) = backgroundTask {
let! _ =
Sql.fromDataSource source
|> Sql.executeTransactionAsync [
Query.insertQuery Table.TagMap, tagMaps |> List.map tagMapParams
Query.insertQuery Table.TagMap,
tagMaps |> List.map (fun tagMap -> Query.docParameters (TagMapId.toString tagMap.Id) tagMap)
]
()
}

18
src/MyWebLog.Data/Postgres/PostgresThemeData.fs
View File

@ -1,14 +1,14 @@
namespace MyWebLog.Data.Postgres
open Microsoft.Extensions.Logging
open MyWebLog
open MyWebLog.Data
open Newtonsoft.Json
open Npgsql
open Npgsql.FSharp
open Npgsql.FSharp.Documents
/// PostreSQL myWebLog theme data implementation
type PostgresThemeData (source : NpgsqlDataSource) =
type PostgresThemeData (source : NpgsqlDataSource, log : ILogger) =
/// Clear out the template text from a theme
let withoutTemplateText row =
@ -17,22 +17,26 @@ type PostgresThemeData (source : NpgsqlDataSource) =
/// Retrieve all themes (except 'admin'; excludes template text)
let all () =
log.LogTrace "Theme.all"
Sql.fromDataSource source
|> Sql.query $"{Query.selectFromTable Table.Theme} WHERE id <> 'admin' ORDER BY id"
|> Sql.executeAsync withoutTemplateText
/// Does a given theme exist?
let exists themeId =
log.LogTrace "Theme.exists"
Sql.fromDataSource source
|> Query.existsById Table.Theme (ThemeId.toString themeId)
/// Find a theme by its ID
let findById themeId =
log.LogTrace "Theme.findById"
Sql.fromDataSource source
|> Query.tryById<Theme> Table.Theme (ThemeId.toString themeId)
/// Find a theme by its ID (excludes the text of templates)
let findByIdWithoutText themeId =
log.LogTrace "Theme.findByIdWithoutText"
Sql.fromDataSource source
|> Sql.query $"{Query.selectFromTable Table.Theme} WHERE id = @id"
|> Sql.parameters [ "@id", Sql.string (ThemeId.toString themeId) ]
@ -41,6 +45,7 @@ type PostgresThemeData (source : NpgsqlDataSource) =
/// Delete a theme by its ID
let delete themeId = backgroundTask {
log.LogTrace "Theme.delete"
match! exists themeId with
| true ->
do! Sql.fromDataSource source |> Query.deleteById Table.Theme (ThemeId.toString themeId)
@ -50,6 +55,7 @@ type PostgresThemeData (source : NpgsqlDataSource) =
/// Save a theme
let save (theme : Theme) =
log.LogTrace "Theme.save"
Sql.fromDataSource source |> Query.save Table.Theme (ThemeId.toString theme.Id) theme
interface IThemeData with
@ -62,16 +68,18 @@ type PostgresThemeData (source : NpgsqlDataSource) =
/// PostreSQL myWebLog theme data implementation
type PostgresThemeAssetData (source : NpgsqlDataSource) =
type PostgresThemeAssetData (source : NpgsqlDataSource, log : ILogger) =
/// Get all theme assets (excludes data)
let all () =
log.LogTrace "ThemeAsset.all"
Sql.fromDataSource source
|> Sql.query $"SELECT theme_id, path, updated_on FROM {Table.ThemeAsset}"
|> Sql.executeAsync (Map.toThemeAsset false)
/// Delete all assets for the given theme
let deleteByTheme themeId = backgroundTask {
log.LogTrace "ThemeAsset.deleteByTheme"
let! _ =
Sql.fromDataSource source
|> Sql.query $"DELETE FROM {Table.ThemeAsset} WHERE theme_id = @themeId"
@ -82,6 +90,7 @@ type PostgresThemeAssetData (source : NpgsqlDataSource) =
/// Find a theme asset by its ID
let findById assetId =
log.LogTrace "ThemeAsset.findById"
let (ThemeAssetId (ThemeId themeId, path)) = assetId
Sql.fromDataSource source
|> Sql.query $"SELECT * FROM {Table.ThemeAsset} WHERE theme_id = @themeId AND path = @path"
@ -91,6 +100,7 @@ type PostgresThemeAssetData (source : NpgsqlDataSource) =
/// Get theme assets for the given theme (excludes data)
let findByTheme themeId =
log.LogTrace "ThemeAsset.findByTheme"
Sql.fromDataSource source
|> Sql.query $"SELECT theme_id, path, updated_on FROM {Table.ThemeAsset} WHERE theme_id = @themeId"
|> Sql.parameters [ "@themeId", Sql.string (ThemeId.toString themeId) ]
@ -98,6 +108,7 @@ type PostgresThemeAssetData (source : NpgsqlDataSource) =
/// Get theme assets for the given theme
let findByThemeWithData themeId =
log.LogTrace "ThemeAsset.findByThemeWithData"
Sql.fromDataSource source
|> Sql.query $"SELECT * FROM {Table.ThemeAsset} WHERE theme_id = @themeId"
|> Sql.parameters [ "@themeId", Sql.string (ThemeId.toString themeId) ]
@ -105,6 +116,7 @@ type PostgresThemeAssetData (source : NpgsqlDataSource) =
/// Save a theme asset
let save (asset : ThemeAsset) = backgroundTask {
log.LogTrace "ThemeAsset.save"
let (ThemeAssetId (ThemeId themeId, path)) = asset.Id
let! _ =
Sql.fromDataSource source

13
src/MyWebLog.Data/Postgres/PostgresUploadData.fs
View File

@ -1,12 +1,13 @@
namespace MyWebLog.Data.Postgres
open Microsoft.Extensions.Logging
open MyWebLog
open MyWebLog.Data
open Npgsql
open Npgsql.FSharp
/// PostgreSQL myWebLog uploaded file data implementation
type PostgresUploadData (source : NpgsqlDataSource) =
type PostgresUploadData (source : NpgsqlDataSource, log : ILogger) =
/// The INSERT statement for an uploaded file
let upInsert = $"
@ -27,6 +28,7 @@ type PostgresUploadData (source : NpgsqlDataSource) =
/// Save an uploaded file
let add upload = backgroundTask {
log.LogTrace "Upload.add"
let! _ =
Sql.fromDataSource source
|> Sql.query upInsert
@ -37,6 +39,7 @@ type PostgresUploadData (source : NpgsqlDataSource) =
/// Delete an uploaded file by its ID
let delete uploadId webLogId = backgroundTask {
log.LogTrace "Upload.delete"
let idParam = [ "@id", Sql.string (UploadId.toString uploadId) ]
let! path =
Sql.fromDataSource source
@ -56,6 +59,7 @@ type PostgresUploadData (source : NpgsqlDataSource) =
/// Find an uploaded file by its path for the given web log
let findByPath path webLogId =
log.LogTrace "Upload.findByPath"
Sql.fromDataSource source
|> Sql.query $"SELECT * FROM {Table.Upload} WHERE web_log_id = @webLogId AND path = @path"
|> Sql.parameters [ webLogIdParam webLogId; "@path", Sql.string path ]
@ -64,6 +68,7 @@ type PostgresUploadData (source : NpgsqlDataSource) =
/// Find all uploaded files for the given web log (excludes data)
let findByWebLog webLogId =
log.LogTrace "Upload.findByWebLog"
Sql.fromDataSource source
|> Sql.query $"SELECT id, web_log_id, path, updated_on FROM {Table.Upload} WHERE web_log_id = @webLogId"
|> Sql.parameters [ webLogIdParam webLogId ]
@ -71,6 +76,7 @@ type PostgresUploadData (source : NpgsqlDataSource) =
/// Find all uploaded files for the given web log
let findByWebLogWithData webLogId =
log.LogTrace "Upload.findByWebLogWithData"
Sql.fromDataSource source
|> Sql.query $"SELECT * FROM {Table.Upload} WHERE web_log_id = @webLogId"
|> Sql.parameters [ webLogIdParam webLogId ]
@ -78,12 +84,11 @@ type PostgresUploadData (source : NpgsqlDataSource) =
/// Restore uploads from a backup
let restore uploads = backgroundTask {
log.LogTrace "Upload.restore"
for batch in uploads |> List.chunkBySize 5 do
let! _ =
Sql.fromDataSource source
|> Sql.executeTransactionAsync [
upInsert, batch |> List.map upParams
]
|> Sql.executeTransactionAsync [ upInsert, batch |> List.map upParams ]
()
}

12
src/MyWebLog.Data/Postgres/PostgresWebLogData.fs
View File

@ -1,5 +1,6 @@
namespace MyWebLog.Data.Postgres
open Microsoft.Extensions.Logging
open MyWebLog
open MyWebLog.Data
open Npgsql
@ -7,19 +8,22 @@ open Npgsql.FSharp
open Npgsql.FSharp.Documents
/// PostgreSQL myWebLog web log data implementation
type PostgresWebLogData (source : NpgsqlDataSource) =
type PostgresWebLogData (source : NpgsqlDataSource, log : ILogger) =
/// Add a web log
let add (webLog : WebLog) =
log.LogTrace "WebLog.add"
Sql.fromDataSource source |> Query.insert Table.WebLog (WebLogId.toString webLog.Id) webLog
/// Retrieve all web logs
let all () =
log.LogTrace "WebLog.all"
Sql.fromDataSource source
|> Query.all<WebLog> Table.WebLog
/// Delete a web log by its ID
let delete webLogId = backgroundTask {
log.LogTrace "WebLog.delete"
let criteria = Query.whereDataContains "@criteria"
let! _ =
Sql.fromDataSource source
@ -40,23 +44,27 @@ type PostgresWebLogData (source : NpgsqlDataSource) =
/// Find a web log by its host (URL base)
let findByHost (url : string) =
log.LogTrace "WebLog.findByHost"
Sql.fromDataSource source
|> Sql.query $"""{Query.selectFromTable Table.WebLog} WHERE {Query.whereDataContains "@criteria"}"""
|> Sql.query (selectWithCriteria Table.WebLog)
|> Sql.parameters [ "@criteria", Query.jsonbDocParam {| UrlBase = url |} ]
|> Sql.executeAsync fromData<WebLog>
|> tryHead
/// Find a web log by its ID
let findById webLogId =
log.LogTrace "WebLog.findById"
Sql.fromDataSource source
|> Query.tryById<WebLog> Table.WebLog (WebLogId.toString webLogId)
/// Update settings for a web log
let updateSettings (webLog : WebLog) =
log.LogTrace "WebLog.updateSettings"
Sql.fromDataSource source |> Query.update Table.WebLog (WebLogId.toString webLog.Id) webLog
/// Update RSS options for a web log
let updateRssOptions (webLog : WebLog) = backgroundTask {
log.LogTrace "WebLog.updateRssOptions"
match! findById webLog.Id with
| Some blog ->
do! Sql.fromDataSource source

31
src/MyWebLog.Data/Postgres/PostgresWebLogUserData.fs
View File

@ -1,5 +1,6 @@
namespace MyWebLog.Data.Postgres
open Microsoft.Extensions.Logging
open MyWebLog
open MyWebLog.Data
open Npgsql
@ -7,23 +8,17 @@ open Npgsql.FSharp
open Npgsql.FSharp.Documents
/// PostgreSQL myWebLog user data implementation
type PostgresWebLogUserData (source : NpgsqlDataSource) =
type PostgresWebLogUserData (source : NpgsqlDataSource, log : ILogger) =
/// Query to get users by JSON document containment criteria
let userByCriteria =
$"""{Query.selectFromTable Table.WebLogUser} WHERE {Query.whereDataContains "@criteria"}"""
/// Parameters for saving web log users
let userParams (user : WebLogUser) =
Query.docParameters (WebLogUserId.toString user.Id) user
/// Find a user by their ID for the given web log
let findById userId webLogId =
log.LogTrace "WebLogUser.findById"
Document.findByIdAndWebLog<WebLogUserId, WebLogUser>
source Table.WebLogUser userId WebLogUserId.toString webLogId
/// Delete a user if they have no posts or pages
let delete userId webLogId = backgroundTask {
log.LogTrace "WebLogUser.delete"
match! findById userId webLogId with
| Some _ ->
let criteria = Query.whereDataContains "@criteria"
@ -46,25 +41,29 @@ type PostgresWebLogUserData (source : NpgsqlDataSource) =
/// Find a user by their e-mail address for the given web log
let findByEmail (email : string) webLogId =
log.LogTrace "WebLogUser.findByEmail"
Sql.fromDataSource source
|> Sql.query userByCriteria
|> Sql.query (selectWithCriteria Table.WebLogUser)
|> Sql.parameters [ "@criteria", Query.jsonbDocParam {| webLogDoc webLogId with Email = email |} ]
|> Sql.executeAsync fromData<WebLogUser>
|> tryHead
/// Get all users for the given web log
let findByWebLog webLogId =
log.LogTrace "WebLogUser.findByWebLog"
Sql.fromDataSource source
|> Sql.query $"{userByCriteria} ORDER BY LOWER(data->>'{nameof WebLogUser.empty.PreferredName}')"
|> Sql.query
$"{selectWithCriteria Table.WebLogUser} ORDER BY LOWER(data->>'{nameof WebLogUser.empty.PreferredName}')"
|> Sql.parameters [ webLogContains webLogId ]
|> Sql.executeAsync fromData<WebLogUser>
/// Find the names of users by their IDs for the given web log
let findNames webLogId userIds = backgroundTask {
log.LogTrace "WebLogUser.findNames"
let idSql, idParams = inClause "AND id" "id" WebLogUserId.toString userIds
let! users =
Sql.fromDataSource source
|> Sql.query $"{userByCriteria} {idSql}"
|> Sql.query $"{selectWithCriteria Table.WebLogUser} {idSql}"
|> Sql.parameters (webLogContains webLogId :: idParams)
|> Sql.executeAsync fromData<WebLogUser>
return
@ -73,17 +72,20 @@ type PostgresWebLogUserData (source : NpgsqlDataSource) =
}
/// Restore users from a backup
let restore users = backgroundTask {
let restore (users : WebLogUser list) = backgroundTask {
log.LogTrace "WebLogUser.restore"
let! _ =
Sql.fromDataSource source
|> Sql.executeTransactionAsync [
Query.insertQuery Table.WebLogUser, users |> List.map userParams
Query.insertQuery Table.WebLogUser,
users |> List.map (fun user -> Query.docParameters (WebLogUserId.toString user.Id) user)
]
()
}
/// Set a user's last seen date/time to now
let setLastSeen userId webLogId = backgroundTask {
log.LogTrace "WebLogUser.setLastSeen"
match! findById userId webLogId with
| Some user ->
do! Sql.fromDataSource source
@ -94,6 +96,7 @@ type PostgresWebLogUserData (source : NpgsqlDataSource) =
/// Save a user
let save (user : WebLogUser) =
log.LogTrace "WebLogUser.save"
Sql.fromDataSource source |> Query.save Table.WebLogUser (WebLogUserId.toString user.Id) user
interface IWebLogUserData with

17
src/MyWebLog.Data/PostgresData.fs
View File

@ -152,19 +152,20 @@ type PostgresData (source : NpgsqlDataSource, log : ILogger<PostgresData>, ser :
interface IData with
member _.Category = PostgresCategoryData source
member _.Category = PostgresCategoryData (source, log)
member _.Page = PostgresPageData (source, log)
member _.Post = PostgresPostData source
member _.TagMap = PostgresTagMapData source
member _.Theme = PostgresThemeData source
member _.ThemeAsset = PostgresThemeAssetData source
member _.Upload = PostgresUploadData source
member _.WebLog = PostgresWebLogData source
member _.WebLogUser = PostgresWebLogUserData source
member _.Post = PostgresPostData (source, log)
member _.TagMap = PostgresTagMapData (source, log)
member _.Theme = PostgresThemeData (source, log)
member _.ThemeAsset = PostgresThemeAssetData (source, log)
member _.Upload = PostgresUploadData (source, log)
member _.WebLog = PostgresWebLogData (source, log)
member _.WebLogUser = PostgresWebLogUserData (source, log)
member _.Serializer = ser
member _.StartUp () = backgroundTask {
log.LogTrace "PostgresData.StartUp"
do! ensureTables ()
let! version =

8
src/MyWebLog/Program.fs
View File

@ -43,7 +43,7 @@ module DataImplementation =
let createNpgsqlDataSource (cfg : IConfiguration) =
let builder = NpgsqlDataSourceBuilder (cfg.GetConnectionString "PostgreSQL")
let _ = builder.UseNodaTime ()
let _ = builder.UseLoggerFactory(LoggerFactory.Create(fun it -> it.AddConsole () |> ignore))
// let _ = builder.UseLoggerFactory(LoggerFactory.Create(fun it -> it.AddConsole () |> ignore))
builder.Build ()
/// Get the configured data implementation
@ -71,8 +71,7 @@ module DataImplementation =
let source = createNpgsqlDataSource config
use conn = source.CreateConnection ()
let log = sp.GetRequiredService<ILogger<PostgresData>> ()
log.LogWarning (sprintf "%s %s" conn.DataSource conn.Database)
log.LogInformation $"Using PostgreSQL database {conn.Host}:{conn.Port}/{conn.Database}"
log.LogInformation $"Using PostgreSQL database {conn.Database}"
PostgresData (source, log, Json.configure (JsonSerializer.CreateDefault ()))
else
createSQLite "Data Source=./myweblog.db;Cache=Shared"
@ -167,8 +166,7 @@ let rec main args =
let _ = builder.Services.AddSingleton<IData> postgres
let _ =
builder.Services.AddSingleton<IDistributedCache> (fun sp ->
Postgres.DistributedCache ((sp.GetRequiredService<IConfiguration> ()).GetConnectionString "PostgreSQL")
:> IDistributedCache)
Postgres.DistributedCache (sp.GetRequiredService<NpgsqlDataSource> ()) :> IDistributedCache)
()
| _ -> ()

3
src/MyWebLog/appsettings.json
View File

@ -2,8 +2,7 @@
"Generator": "myWebLog 2.0-rc2",
"Logging": {
"LogLevel": {
"MyWebLog.Handlers": "Information",
"MyWebLog.Data": "Trace"
"MyWebLog.Handlers": "Information"
}
}
}